21 #ifndef __JackFreewheelDriver__    22 #define __JackFreewheelDriver__    24 #include "JackDriver.h"    46         bool IsRealTime()
 const    53         int ProcessReadSync();
    54         int ProcessWriteSync();
    56         int ProcessReadAsync();
    57         int ProcessWriteAsync();
 
Locked Engine, access to methods is serialized using a mutex. 
Inter process synchronization using POSIX semaphore. 
The FreeWheel driver : run Jack engine at full speed.